html {
  color: $normalTextColor;
  font-size: $documentFontSize;
  font-weight: $documentFontWeight;
}

body {
  font-size: 100%;
}

html,
button {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial,
    sans-serif;
}

[class^="tn-"] {
  box-sizing: border-box;
}
